This 10 minute video has 600,000+ views and I can see why. It is one of the best and simple "How Gliders Fly" videos I have seen to explain our sport to the neophyte.
https://www.youtube.com/watch?v=b4YrpmhgNGs
I do wish that there was a Volume II of this video explaining tasks, contests, badges and such.
- John DeRosa OHM Ω